The 7.62x39MM intermediate rifle cartridge was originally developed for the Red Army towards the end of World War II. It was later adopted for use in the SKS and AK rifle systems. Since the end of the 1940s, global use of this cartridge has made it one of the most well-known and widely distributed rifle cartridges. This Steel Case Rifle Ammo has a strong lead core and promises deep penetration. Heavy-duty lacquered steel composition to keep the load on target. High-quality Berdan primer extends the shelf life of this rifle ammo. The 7.62x39MM is non-corrosive to prevent the round from deteriorating. The Red Army Standard Steel Case 7.62x39MM Range Pack is sold in 9 boxes of 20 rounds for a total of 180 rounds.